A is the answer to your question
The correct answer is reflexive.
Reflexive pronouns are used when the object of the sentence is the same person as the subject. Here, the subject is Johnny and given that he bought something for himself, he is also the object. Although the pronoun himself can sometimes be intensive, this is not the case where it is. Intensive pronoun would be if the sentence said: Johnny himself bought a new basketball.
Answer:
Single Sign-On (SSO) based authentication systems are commonly used in enterprise environments where employees require access to multiple applications/websites of their organizations.
Explanation:
He disrupted their way of life. Many natives were killed, because they felt threatened by their existence.
